87 GN running ruff and rich


Asked by May 10, 2013 at 07:50 AM about the 1987 Buick Grand National

Question type: Maintenance & Repair

Ran my GN at the track went through the lights,let off to hit the return lane and there was no throtle response from idol to about three quarters throtle.Limped it home and started checking it over.Thought it was the MAF so I changed to a LT1 with a translator and it ran better but idols ruff and rich with water blowing out the exhaut.No taste to the water.Any ideas?Thanks

2 Answers

did you get any OBD trouble codes you could put a paw on? suspect the EGR valve, always suspect the EGR valve but an out of California car may not have one--

1 out of 1 people think this is helpful.

you could get your own OBD-II scanner for under fifteen bucks-

Your Answer

Add photo

Related Questions

Search Buick Grand National Questions

Buick Grand National Experts

#1 Joey Warren
Joey Warren
Reputation 120
#2 kenet12
Reputation 80
#3 tennisshoes
Reputation 70
View All

Related Models For Sale

Used Buick Regal"
182 Great Deals out of 10,508 listings starting at $1,995
Used Chevrolet Camaro"
814 Great Deals out of 39,044 listings starting at $2,650
Used Chevrolet Corvette"
424 Great Deals out of 20,186 listings starting at $3,688
Used Ford Mustang"
725 Great Deals out of 41,224 listings starting at $900
Used Chevrolet Monte Carlo"
7 Great Deals out of 2,061 listings starting at $3,850
Used Dodge Charger"
671 Great Deals out of 30,154 listings starting at $1,995
Used Pontiac Firebird"
11 Great Deals out of 893 listings starting at $2,995
Used BMW M3"
87 Great Deals out of 1,857 listings starting at $5,495
Used Toyota Supra"
53 listings starting at $36,995
Used Chevrolet Caprice"
199 listings starting at $10,900

Used Cars For Sale